638990789 (number)

638990789 is an odd 9-digits composite number following 638990788 and preceding 638990790. In scientific notation, it is written as 6.38990789 × 10^8. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 629694000 positive integers (up to 638990789) that are relatively prime to 638990789.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety thousand seven hundred eighty-nine

Notation

Scientific notation 6.38990789 × 10^8
Engineering notation 6.38990789 × 10^6

Prime Factorization of 638990789

Prime Factorization 79 × 541 × 14951

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638990789
Product of the distinct prime numbers

The prime factorization of 638990789 is 79 × 541 × 14951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 57, 2, 328, 849, 9669, 4676, 54735, 53590, 437048, 264308, 9193515, 3595449, 70308149, 65315619, 986391905, 453970041, 4883349985, 9381952109

Basic calculations (n = 638990789)

Multiplication

n×y
n×2 1277981578
n×3 1916972367
n×4 2555963156
n×5 3194953945

Division

n÷y
n÷2 319495394.5
n÷3 212996929.66667
n÷3 159747697.25
n÷5 127798157.8

Exponentiation

ny
n2 408309228426842521
n3 2.6090583602845E+26
n4 1.6671642601852E+35
n5 1.0653026060084E+44

Nth Root

y√n
2√n 25278.267128108
3√n 861.32066287563
4√n 158.99140583097
5√n 57.689784888046

Divisors of 638990789

1, 79, 541, 14951, 42739, 1181129, 8088491, 638990789

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638990788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638990789 can be divided by 8 positive divisors. The sum of these divisors (counting 638990789) is 1, the average is 0.125.

Base conversion 638990789

Base System Value
2 Binary 100110000101100011100111000101
3 Ternary 1122112101002120112
4 Quaternary 212011203213011
5 Quinary 2302040201124
6 Senary 143223442405
8 Octal 4605434705
10 Decimal 638990789
12 Duodecimal 159bb6405
16 Hexadecimal 261639c5
20 Vigesimal 9jddgj9
36 Base36 akfsg5

Cryptographic Hash Functions

md5 87a46f7c9c6b6c4ce9114334afd4e41e
sha1 57eadcef346950c3673b906f60e39c8e3f525682
sha256 d398af5d7abf17f8f41f950677dfa23f69df13b46373769f640781508dba8e13
sha512 befdbb896d1079c1e74cfdb68176ca51928cfabf5a65d4ad82cf00a4c145c3547fed65bf92b7fa99fe23b94a21e42c326c680c251e38e9115a43e786e4f84a3f
ripemd-160 26cc796e75856acc67f596561b3b203c56753927

638990789 as geometric shapes

Circle

Radius = n
Diameter 1277981578
Circumference 4014897536.8679
Area 1.2827412724187E+18

Sphere

Radius = n
Volume 1.0928798103276E+27
Surface area 5.1309650896747E+18
Circumference 4014897536.8679

Square

Length = n
Perimeter 2555963156
Area 408309228426842521
Diagonal 903669440.03528

Cube

Length = n
Surface area 2449855370561055126
Volume 2.6090583602845E+26
Space diagonal 1106764512.1165

Equilateral Triangle

Length = n
Perimeter 1916972367
Area 1.7680308220863E+17
Altitude 553382256.05826

Triangular Pyramid

Length = n
Surface area 1.7680308220863E+17
Volume 3.0748047651144E+25
Height 301223146.67843